In general terms,a call centers is defined as a business operation designed to receive inbound telphone calls or to initiate outbound calls.
The three basic type of call center :-
inbound
outbound
blended
an inbound answering incoming calls.
an outbound placing outgoing calls.
a blended where agents both receive incoming calls and place outgoing calls.
call center function
1 telemarketing.
2 customer service.
3 help desk.
4 order processing.
5 credit/collection.
6 reservations.